Nothing Phone 4a vs Redmi K50i 5G comparison

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key specs
Display6.78-inch6.60-inch
ProcessorSnapdragon 7s Gen 4MediaTek Dimensity 8100 5G
Front Camera32-megapixel 16-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM8GB, 12GB6GB, 8GB
Storage128GB, 256GB128GB, 256GB
Battery Capacity5400mAh5080mAh
OSAndroid 16Android 12
Resolution1,224x2,720 pixels1080x2460 pixels
general
BrandNothingXiaomi
ModelPhone 4aRedmi K50i 5G
Release dateMarch 5, 2026July 20, 2022
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.95 x 77.57 x 8.55163.64 x 74.29 x 8.87
Weight (g)204.50200.00
IP ratingIP64-
Battery capacity (mAh)54005080
Removable batteryNo-
Fast charging50W Fast ChargingProprietary
Wireless chargingNo-
ColoursBlack, Blue, Pink, WhiteQuick Silver, Phantom Blue, Stealth Black
display
Refresh Rate120 Hz144 Hz
Screen size (inches)6.786.60
TouchscreenYesYes
Resolution1,224x2,720 pixels1080x2460 pixels
Protection typeGorilla Glass 7i-
Pixels per inch (PPI)440399
Resolution Standard-FHD+
Aspect ratio-20.5:9
hardware
Processorocta-coreocta-core
Processor makeSnapdragon 7s Gen 4MediaTek Dimensity 8100 5G
RAM8GB, 12GB6GB, 8GB
Internal storage128GB, 256GB128GB, 256GB
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.88) + 8-megapixel (f/2.2)64-megapixel + 8-megapixel + 2-megapixel
No. of Rear Cameras33
Rear autofocusYesYes
Rear flashYesYes
Front camera32-megapixel (f/2.2)16-megapixel
No. of Front Cameras11
Pop-Up CameraNo-
software
Operating systemAndroid 16Android 12
SkinNothing OS 4.1MIUI 13
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.30
NFCYesYes
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac/ax
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Fingerprint sensor-Yes

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